18394017315109472

Names of 18394017315109472

• Cardinal: 18394017315109472 can be written as Eighteen quadrillion, three hundred ninety-four trillion, seventeen billion, three hundred fifteen million, one hundred nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8394017315109472 × 10¹⁶

Factors of 18394017315109472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16736036

Divisors of 18394017315109472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 32 127 179 254 358 508 716 1016 1432 1511 2032 2864 3022 4064 5728 6044 12088 22733 24176 45466 48352 90932 181864 191897 270469 363728 383794 540938 727456 767588 1081876 1535176 2163752 3070352 4327504 6140704 8655008 16734217 33468434 34349563 66936868 68699126 133873736 137398252 267747472 274796504 535494944 549593008 1099186016 2125245559 2995424843 4250491118 5990849686 8500982236 11981699372 17001964472 23963398744 25285401887 34003928944 47926797488 50570803774 68007857888 95853594976 101141607548 202283215096 380418955061 404566430192 760837910122 809132860384 1521675820244 3043351640488 3211246039649 4526086937773 6086703280976 6422492079298 9052173875546 12173406561952 12844984158596 18104347751092 25689968317192 36208695502184 51379936634384 72417391004368 102759873268768 144834782008736 574813041097171 1149626082194342 2299252164388684 4598504328777368 9197008657554736 18394017315109472
• Sum of all divisors σ(n): 36726558792376320
• Sum of proper divisors (its aliquot sum) s(n): 18332541477266848
• 18394017315109472 is a deficient number, because the sum of its proper divisors (18332541477266848) is less than itself. Its deficiency is 61475837842624

Bases of 18394017315109472

• Binary: 1000001010110010100001011100100000011110011101001100000₂
• Hexadecimal: 0x415942E40F3A60
• Base-36: 5144UWDYNVK

Squares and roots of 18394017315109472

• 18394017315109472 squared (18394017315109472²) is 338339872988547068952027344118784
• 18394017315109472 cubed (18394017315109472³) is 6223429482143274325571892096806692650160331522048
• The square root of 18394017315109472 is 135624545.4005633599
• The cube root of 18394017315109472 is 263972.6082840125

Scales and comparisons

• 18,394,017,315,109,472 seconds is equal to 584,872,854 years, 9 weeks, 5 days, 21 hours, 4 minutes, 32 seconds.
• To count from 1 to 18,394,017,315,109,472 would take you about one billion, seven hundred fifty-four million, six hundred eighteen thousand, five hundred sixty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18394017315109472 cubic inches would be around 21997.7 feet tall.

Recreational maths with 18394017315109472

• 18394017315109472 backwards is 27490151371049381
• The number of decimal digits it has is: 17
• The sum of 18394017315109472's digits is 65
• More coming soon!